initial commit

.gitignore

@@ -0,0 +1,118 @@
+# User-specific stuff
+.idea/
+
+*.iml
+*.ipr
+*.iws
+
+# IntelliJ
+out/
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Compiled class file
+*.class
+
+# Log file
+*.log
+
+# BlueJ files
+*.ctxt
+
+# Package Files #
+*.jar
+*.war
+*.nar
+*.ear
+*.zip
+*.tar.gz
+*.rar
+
+# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
+hs_err_pid*
+
+*~
+
+# temporary files which can be created if a process still has a handle open of a deleted file
+.fuse_hidden*
+
+# KDE directory preferences
+.directory
+
+# Linux trash folder which might appear on any partition or disk
+.Trash-*
+
+# .nfs files are created when an open file is removed but is still being accessed
+.nfs*
+
+# General
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+# Windows thumbnail cache files
+Thumbs.db
+Thumbs.db:encryptable
+ehthumbs.db
+ehthumbs_vista.db
+
+# Dump file
+*.stackdump
+
+# Folder config file
+[Dd]esktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Windows Installer files
+*.cab
+*.msi
+*.msix
+*.msm
+*.msp
+
+# Windows shortcuts
+*.lnk
+
+.gradle
+build/
+
+# Ignore Gradle GUI config
+gradle-app.setting
+
+# Cache of project
+.gradletasknamecache
+
+**/build/
+
+# Common working directory
+run/
+
+# Avoid ignoring Gradle wrapper jar file (.jar files are usually ignored)
+!gradle-wrapper.jar

build.gradle

@@ -0,0 +1,31 @@
+import org.apache.tools.ant.filters.ReplaceTokens
+
+apply plugin: 'java'
+
+group = 'net.babamod'
+version = '0.0.1'
+
+sourceCompatibility = '1.8'
+targetCompatibility = '1.8'
+
+repositories {
+    mavenCentral()
+    maven {
+        name = 'spigotmc-repo'
+        url = 'https://hub.spigotmc.org/nexus/content/repositories/snapshots/'
+    }
+    maven {
+        name = 'sonatype'
+        url = 'https://oss.sonatype.org/content/groups/public/'
+    }
+}
+
+dependencies {
+    compileOnly 'org.spigotmc:spigot-api:1.16.3-R0.1-SNAPSHOT'
+}
+
+processResources {
+    from(sourceSets.main.resources.srcDirs) {
+        filter ReplaceTokens, tokens: [version: version]
+    }
+}

gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,5 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.1-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists

gradlew

@@ -0,0 +1,188 @@
+#!/usr/bin/env sh
+
+#
+# Copyright 2015 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=$((i+1))
+    done
+    case $i in
+        (0) set -- ;;
+        (1) set -- "$args0" ;;
+        (2) set -- "$args0" "$args1" ;;
+        (3) set -- "$args0" "$args1" "$args2" ;;
+        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=$(save "$@")
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"

gradlew.bat

@@ -0,0 +1,100 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem      https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto init
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto init
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:init
+@rem Get command-line arguments, handling Windows variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

settings.gradle

@@ -0,0 +1 @@
+rootProject.name = 'mineclass'

src/main/java/net/babamod/mineclass/Mineclass.java

@@ -0,0 +1,29 @@
+package net.babamod.mineclass;
+
+import net.babamod.mineclass.commands.CommandClass;
+import net.babamod.mineclass.utils.AppliedStatus;
+import net.babamod.mineclass.utils.MineClassListeners;
+import org.bukkit.command.PluginCommand;
+import org.bukkit.event.Listener;
+import org.bukkit.plugin.java.JavaPlugin;
+
+import java.util.Arrays;
+
+public final class Mineclass extends JavaPlugin implements Listener {
+
+    @Override
+    public void onEnable() {
+        AppliedStatus.getInstance();
+        new MineClassListeners(this);
+        PluginCommand pluginCommand = this.getCommand("class");
+        if (pluginCommand != null) {
+            pluginCommand.setTabCompleter((sender, command, alias, args) -> Arrays.asList("dwarf", "elf", "fire_dwarf", "naga", "clear", "whoami"));
+            pluginCommand.setExecutor(new CommandClass());
+        }
+    }
+
+    @Override
+    public void onDisable() {
+        // Plugin shutdown logic
+    }
+}

src/main/java/net/babamod/mineclass/classes/ClassWrapper.java

@@ -0,0 +1,64 @@
+package net.babamod.mineclass.classes;
+
+import net.babamod.mineclass.utils.AppliedStatus;
+import org.bukkit.Material;
+import org.bukkit.entity.Player;
+import org.bukkit.potion.PotionEffect;
+
+public class ClassWrapper {
+
+    public static void reapplyRightClassEffects(Player player, boolean sendReminder) {
+        if (AppliedStatus.getInstance().isDwarf(player.getName()) || DwarfClass.is(player)) {
+            AppliedStatus.getInstance().setDwarf(player.getName(), true);
+            DwarfClass.reapplyEffects(player);
+            if (sendReminder) {
+                player.sendMessage("Reminder : You are a dwarf.");
+            }
+        }
+        if (AppliedStatus.getInstance().isElf(player.getName()) || ElfClass.is(player)) {
+            AppliedStatus.getInstance().setElf(player.getName(), true);
+            ElfClass.reapplyEffects(player);
+            if (sendReminder) {
+                player.sendMessage("Reminder : You are an elf.");
+            }
+        }
+        if (AppliedStatus.getInstance().isFireDwarf(player.getName()) || FireDwarfClass.is(player)) {
+            AppliedStatus.getInstance().setFireDwarf(player.getName(), true);
+            FireDwarfClass.reapplyEffects(player);
+            if (sendReminder) {
+                player.sendMessage("Reminder : You are a fire dwarf.");
+            }
+        }
+        if (AppliedStatus.getInstance().isNaga(player.getName()) || NagaClass.is(player)) {
+            AppliedStatus.getInstance().setNaga(player.getName(), true);
+            NagaClass.reapplyEffects(player);
+            if (sendReminder) {
+                player.sendMessage("Reminder : You are a naga.");
+            }
+        }
+    }
+
+    public static void clearAllClassEffects(Player player) {
+        for (PotionEffect activePotionEffect : player.getActivePotionEffects()) {
+            if (activePotionEffect.getDuration() > 32766) {
+                player.removePotionEffect(activePotionEffect.getType());
+            }
+        }
+    }
+
+    public static boolean isItemForbidden(Player player, Material type) {
+        if (AppliedStatus.getInstance().isDwarf(player.getName())) {
+            return DwarfClass.isItemForbidden(type);
+        }
+        if (AppliedStatus.getInstance().isElf(player.getName())) {
+            return ElfClass.isItemForbidden(type);
+        }
+        if (AppliedStatus.getInstance().isFireDwarf(player.getName())) {
+            return FireDwarfClass.isItemForbidden(type);
+        }
+        if (AppliedStatus.getInstance().isNaga(player.getName())) {
+            return NagaClass.isItemForbidden(type);
+        }
+        return false;
+    }
+}

src/main/java/net/babamod/mineclass/classes/DwarfClass.java

@@ -0,0 +1,78 @@
+package net.babamod.mineclass.classes;
+
+import net.babamod.mineclass.utils.Pair;
+import org.bukkit.Material;
+import org.bukkit.enchantments.Enchantment;
+import org.bukkit.entity.Player;
+import org.bukkit.potion.PotionEffect;
+import org.bukkit.potion.PotionEffectType;
+
+import java.util.*;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+public class DwarfClass {
+
+    private static final Set<Material> forbiddenItems = new HashSet<Material>() {{
+        add(Material.DIAMOND_AXE);
+        add(Material.GOLDEN_AXE);
+        add(Material.IRON_AXE);
+        add(Material.NETHERITE_AXE);
+        add(Material.DIAMOND_HOE);
+        add(Material.GOLDEN_HOE);
+        add(Material.IRON_HOE);
+        add(Material.NETHERITE_HOE);
+        add(Material.BOW);
+        add(Material.TRIDENT);
+    }};
+
+    private static final Map<PotionEffectType, Integer> potionEffects = Stream.of(new Object[][]{
+            {PotionEffectType.HEALTH_BOOST, 2},
+            {PotionEffectType.DAMAGE_RESISTANCE, 1},
+            {PotionEffectType.HERO_OF_THE_VILLAGE, 1},
+            {PotionEffectType.FAST_DIGGING, 1},
+            {PotionEffectType.NIGHT_VISION, 1},
+    }).collect(Collectors.toMap(data -> (PotionEffectType) data[0], data -> (Integer) data[1]));
+
+    private static final Map<Material, List<Pair<Enchantment, Integer>>> classEnchantments = Stream.of(
+            new AbstractMap.SimpleEntry<>(Material.NETHERITE_PICKAXE, Arrays.asList(
+                    new Pair<>(Enchantment.DIG_SPEED, 8),
+                    new Pair<>(Enchantment.LOOT_BONUS_BLOCKS, 2)
+            )),
+            new AbstractMap.SimpleEntry<>(Material.DIAMOND_PICKAXE, Arrays.asList(
+                    new Pair<>(Enchantment.DIG_SPEED, 8),
+                    new Pair<>(Enchantment.LOOT_BONUS_BLOCKS, 2)
+            )),
+            new AbstractMap.SimpleEntry<>(Material.IRON_PICKAXE, Arrays.asList(
+                    new Pair<>(Enchantment.DIG_SPEED, 8),
+                    new Pair<>(Enchantment.LOOT_BONUS_BLOCKS, 2)
+            )),
+            new AbstractMap.SimpleEntry<>(Material.GOLDEN_PICKAXE, Arrays.asList(
+                    new Pair<>(Enchantment.DIG_SPEED, 8),
+                    new Pair<>(Enchantment.LOOT_BONUS_BLOCKS, 2)
+            )),
+            new AbstractMap.SimpleEntry<>(Material.STONE_PICKAXE, Arrays.asList(
+                    new Pair<>(Enchantment.DIG_SPEED, 8),
+                    new Pair<>(Enchantment.LOOT_BONUS_BLOCKS, 2)
+            )),
+            new AbstractMap.SimpleEntry<>(Material.WOODEN_PICKAXE, Arrays.asList(
+                    new Pair<>(Enchantment.DIG_SPEED, 8),
+                    new Pair<>(Enchantment.LOOT_BONUS_BLOCKS, 2)
+            ))
+    ).collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue));
+
+    public static boolean is(Player player) {
+        return player.getActivePotionEffects().stream().map(PotionEffect::getType).collect(Collectors.toList()).containsAll(potionEffects.keySet());
+    }
+
+    public static void reapplyEffects(Player player) {
+        potionEffects.forEach((key, value) -> {
+            player.removePotionEffect(key);
+            player.addPotionEffect(new PotionEffect(key, Integer.MAX_VALUE, value - 1, false, false));
+        });
+    }
+
+    public static boolean isItemForbidden(Material type) {
+        return forbiddenItems.contains(type);
+    }
+}

src/main/java/net/babamod/mineclass/classes/ElfClass.java

@@ -0,0 +1,61 @@
+package net.babamod.mineclass.classes;
+
+import net.babamod.mineclass.utils.Pair;
+import org.bukkit.Material;
+import org.bukkit.enchantments.Enchantment;
+import org.bukkit.entity.Player;
+import org.bukkit.potion.PotionEffect;
+import org.bukkit.potion.PotionEffectType;
+
+import java.util.*;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+public class ElfClass {
+
+    private static final Set<Material> forbiddenItems = new HashSet<Material>() {{
+        add(Material.DIAMOND_SWORD);
+        add(Material.GOLDEN_SWORD);
+        add(Material.IRON_SWORD);
+        add(Material.NETHERITE_SWORD);
+        add(Material.DIAMOND_PICKAXE);
+        add(Material.GOLDEN_PICKAXE);
+        add(Material.IRON_PICKAXE);
+        add(Material.NETHERITE_PICKAXE);
+        add(Material.DIAMOND_SHOVEL);
+        add(Material.GOLDEN_SHOVEL);
+        add(Material.IRON_SHOVEL);
+        add(Material.NETHERITE_SHOVEL);
+        add(Material.CROSSBOW);
+        add(Material.TRIDENT);
+    }};
+
+    private static final Map<PotionEffectType, Integer> potionEffects = Stream.of(new Object[][]{
+            {PotionEffectType.SPEED, 2},
+            {PotionEffectType.JUMP, 3},
+            {PotionEffectType.LUCK, 1},
+            {PotionEffectType.NIGHT_VISION, 1},
+    }).collect(Collectors.toMap(data -> (PotionEffectType) data[0], data -> (Integer) data[1]));
+
+    private static final Map<Material, List<Pair<Enchantment, Integer>>> classEnchantments = Stream.of(
+            new AbstractMap.SimpleEntry<>(Material.BOW, Arrays.asList(
+                    new Pair<>(Enchantment.ARROW_INFINITE, 1),
+                    new Pair<>(Enchantment.ARROW_DAMAGE, 8)
+            ))
+    ).collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue));
+
+    public static boolean is(Player player) {
+        return player.getActivePotionEffects().stream().map(PotionEffect::getType).collect(Collectors.toList()).containsAll(potionEffects.keySet());
+    }
+
+    public static void reapplyEffects(Player player) {
+        potionEffects.forEach((key, value) -> {
+            player.removePotionEffect(key);
+            player.addPotionEffect(new PotionEffect(key, Integer.MAX_VALUE, value - 1, false, false));
+        });
+    }
+
+    public static boolean isItemForbidden(Material type) {
+        return forbiddenItems.contains(type);
+    }
+}

src/main/java/net/babamod/mineclass/classes/FireDwarfClass.java

@@ -0,0 +1,98 @@
+package net.babamod.mineclass.classes;
+
+import net.babamod.mineclass.utils.Pair;
+import org.bukkit.Material;
+import org.bukkit.enchantments.Enchantment;
+import org.bukkit.entity.Player;
+import org.bukkit.potion.PotionEffect;
+import org.bukkit.potion.PotionEffectType;
+
+import java.util.*;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+public class FireDwarfClass {
+
+    private static final Set<Material> forbiddenItems = new HashSet<Material>() {{
+        add(Material.DIAMOND_SWORD);
+        add(Material.GOLDEN_SWORD);
+        add(Material.IRON_SWORD);
+        add(Material.NETHERITE_SWORD);
+        add(Material.DIAMOND_HOE);
+        add(Material.GOLDEN_HOE);
+        add(Material.IRON_HOE);
+        add(Material.NETHERITE_HOE);
+        add(Material.DIAMOND_SHOVEL);
+        add(Material.GOLDEN_SHOVEL);
+        add(Material.IRON_SHOVEL);
+        add(Material.NETHERITE_SHOVEL);
+        add(Material.BOW);
+        add(Material.ARROW);
+        add(Material.TRIDENT);
+    }};
+
+    private static final Map<PotionEffectType, Integer> potionEffects = Stream.of(new Object[][]{
+            {PotionEffectType.FIRE_RESISTANCE, 1},
+            {PotionEffectType.FAST_DIGGING, 1},
+            {PotionEffectType.JUMP, 2},
+            {PotionEffectType.NIGHT_VISION, 1},
+            {PotionEffectType.HEALTH_BOOST, 2},
+    }).collect(Collectors.toMap(data -> (PotionEffectType) data[0], data -> (Integer) data[1]));
+
+    private static final Map<Material, List<Pair<Enchantment, Integer>>> classEnchantment = Stream.of(
+            new AbstractMap.SimpleEntry<>(Material.NETHERITE_AXE, Collections.singletonList(
+                    new Pair<>(Enchantment.FIRE_ASPECT, 2)
+            )),
+            new AbstractMap.SimpleEntry<>(Material.DIAMOND_AXE, Collections.singletonList(
+                    new Pair<>(Enchantment.FIRE_ASPECT, 2)
+            )),
+            new AbstractMap.SimpleEntry<>(Material.IRON_AXE, Collections.singletonList(
+                    new Pair<>(Enchantment.FIRE_ASPECT, 2)
+            )),
+            new AbstractMap.SimpleEntry<>(Material.GOLDEN_AXE, Collections.singletonList(
+                    new Pair<>(Enchantment.FIRE_ASPECT, 2)
+            )),
+            new AbstractMap.SimpleEntry<>(Material.STONE_AXE, Collections.singletonList(
+                    new Pair<>(Enchantment.FIRE_ASPECT, 2)
+            )),
+            new AbstractMap.SimpleEntry<>(Material.WOODEN_AXE, Collections.singletonList(
+                    new Pair<>(Enchantment.FIRE_ASPECT, 2)
+            )),
+            new AbstractMap.SimpleEntry<>(Material.NETHERITE_PICKAXE, Collections.singletonList(
+                    new Pair<>(Enchantment.DIG_SPEED, 5)
+            )),
+            new AbstractMap.SimpleEntry<>(Material.DIAMOND_PICKAXE, Collections.singletonList(
+                    new Pair<>(Enchantment.DIG_SPEED, 5)
+            )),
+            new AbstractMap.SimpleEntry<>(Material.IRON_PICKAXE, Collections.singletonList(
+                    new Pair<>(Enchantment.DIG_SPEED, 5)
+            )),
+            new AbstractMap.SimpleEntry<>(Material.GOLDEN_PICKAXE, Collections.singletonList(
+                    new Pair<>(Enchantment.DIG_SPEED, 5)
+            )),
+            new AbstractMap.SimpleEntry<>(Material.STONE_PICKAXE, Collections.singletonList(
+                    new Pair<>(Enchantment.DIG_SPEED, 5)
+            )),
+            new AbstractMap.SimpleEntry<>(Material.WOODEN_PICKAXE, Collections.singletonList(
+                    new Pair<>(Enchantment.DIG_SPEED, 5)
+            )),
+            new AbstractMap.SimpleEntry<>(Material.FLINT_AND_STEEL, new ArrayList<Pair<Enchantment, Integer>>())
+            // See to make infinity working on crossbow
+            // Inventory auto smelt
+    ).collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue));
+
+    public static boolean is(Player player) {
+        return player.getActivePotionEffects().stream().map(PotionEffect::getType).collect(Collectors.toList()).containsAll(potionEffects.keySet());
+    }
+
+    public static void reapplyEffects(Player player) {
+        potionEffects.forEach((key, value) -> {
+            player.removePotionEffect(key);
+            player.addPotionEffect(new PotionEffect(key, Integer.MAX_VALUE, value - 1, false, false));
+        });
+    }
+
+    public static boolean isItemForbidden(Material type) {
+        return forbiddenItems.contains(type);
+    }
+}

src/main/java/net/babamod/mineclass/classes/NagaClass.java

@@ -0,0 +1,82 @@
+package net.babamod.mineclass.classes;
+
+import net.babamod.mineclass.utils.Pair;
+import org.bukkit.Material;
+import org.bukkit.enchantments.Enchantment;
+import org.bukkit.entity.Player;
+import org.bukkit.potion.PotionEffect;
+import org.bukkit.potion.PotionEffectType;
+
+import java.util.*;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+public class NagaClass {
+
+    private static final Set<Material> forbiddenItems = new HashSet<Material>() {{
+        add(Material.DIAMOND_SWORD);
+        add(Material.GOLDEN_SWORD);
+        add(Material.IRON_SWORD);
+        add(Material.NETHERITE_SWORD);
+        add(Material.DIAMOND_AXE);
+        add(Material.GOLDEN_AXE);
+        add(Material.IRON_AXE);
+        add(Material.NETHERITE_AXE);
+        add(Material.CROSSBOW);
+        add(Material.BOW);
+        add(Material.FLINT_AND_STEEL);
+    }};
+
+    private static final Map<PotionEffectType, Integer> potionEffects = Stream.of(new Object[][]{
+            {PotionEffectType.DOLPHINS_GRACE, 1},
+            {PotionEffectType.CONDUIT_POWER, 1},
+            {PotionEffectType.WATER_BREATHING, 1},
+            {PotionEffectType.SLOW, 2},
+            {PotionEffectType.WEAKNESS, 1},
+    }).collect(Collectors.toMap(data -> (PotionEffectType) data[0], data -> (Integer) data[1]));
+
+    private static final Map<Material, List<Pair<Enchantment, Integer>>> classEnchantment = Stream.of(
+            new AbstractMap.SimpleEntry<>(Material.TRIDENT, Arrays.asList(
+                    new Pair<>(Enchantment.LOYALTY, 3),
+                    new Pair<>(Enchantment.IMPALING, 5),
+                    new Pair<>(Enchantment.CHANNELING, 1)
+            )),
+            new AbstractMap.SimpleEntry<>(Material.NETHERITE_HOE, Collections.singletonList(
+                    new Pair<>(Enchantment.DAMAGE_ALL, 5)
+            )),
+            new AbstractMap.SimpleEntry<>(Material.DIAMOND_HOE, Collections.singletonList(
+                    new Pair<>(Enchantment.DAMAGE_ALL, 5)
+            )),
+            new AbstractMap.SimpleEntry<>(Material.IRON_HOE, Collections.singletonList(
+                    new Pair<>(Enchantment.DAMAGE_ALL, 5)
+            )),
+            new AbstractMap.SimpleEntry<>(Material.WOODEN_HOE, Collections.singletonList(
+                    new Pair<>(Enchantment.DAMAGE_ALL, 5)
+            )),
+            new AbstractMap.SimpleEntry<>(Material.GOLDEN_HOE, Collections.singletonList(
+                    new Pair<>(Enchantment.DAMAGE_ALL, 5)
+            )),
+            new AbstractMap.SimpleEntry<>(Material.STONE_HOE, Collections.singletonList(
+                    new Pair<>(Enchantment.DAMAGE_ALL, 5)
+            )),
+            new AbstractMap.SimpleEntry<>(Material.FISHING_ROD, Arrays.asList(
+                    new Pair<>(Enchantment.LUCK, 3),
+                    new Pair<>(Enchantment.LURE, 3)
+            ))
+    ).collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue));
+
+    public static boolean is(Player player) {
+        return player.getActivePotionEffects().stream().map(PotionEffect::getType).collect(Collectors.toList()).containsAll(potionEffects.keySet());
+    }
+
+    public static void reapplyEffects(Player player) {
+        potionEffects.forEach((key, value) -> {
+            player.removePotionEffect(key);
+            player.addPotionEffect(new PotionEffect(key, Integer.MAX_VALUE, value - 1, false, false));
+        });
+    }
+
+    public static boolean isItemForbidden(Material type) {
+        return forbiddenItems.contains(type);
+    }
+}

src/main/java/net/babamod/mineclass/commands/CommandClass.java

@@ -0,0 +1,81 @@
+package net.babamod.mineclass.commands;
+
+import net.babamod.mineclass.classes.*;
+import net.babamod.mineclass.utils.AppliedStatus;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandExecutor;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+
+public class CommandClass implements CommandExecutor {
+    @Override
+    public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
+        if (args.length == 0) {
+            sender.sendMessage("You need to use this command with one of the suggested arguments.");
+            return false;
+        }
+        if (sender instanceof Player) {
+            Player player = (Player) sender;
+            if (args[0].equals("dwarf")) {
+                AppliedStatus.getInstance().setElf(player.getName(), false);
+                AppliedStatus.getInstance().setFireDwarf(player.getName(), false);
+                AppliedStatus.getInstance().setNaga(player.getName(), false);
+                AppliedStatus.getInstance().setDwarf(player.getName(), true);
+                ClassWrapper.clearAllClassEffects(player);
+                DwarfClass.reapplyEffects(player);
+                return true;
+            }
+            if (args[0].equals("elf")) {
+                AppliedStatus.getInstance().setDwarf(player.getName(), false);
+                AppliedStatus.getInstance().setFireDwarf(player.getName(), false);
+                AppliedStatus.getInstance().setNaga(player.getName(), false);
+                AppliedStatus.getInstance().setElf(player.getName(), true);
+                ClassWrapper.clearAllClassEffects(player);
+                ElfClass.reapplyEffects(player);
+                return true;
+            }
+            if (args[0].equals("fire_dwarf")) {
+                AppliedStatus.getInstance().setDwarf(player.getName(), false);
+                AppliedStatus.getInstance().setElf(player.getName(), false);
+                AppliedStatus.getInstance().setNaga(player.getName(), false);
+                AppliedStatus.getInstance().setFireDwarf(player.getName(), true);
+                ClassWrapper.clearAllClassEffects(player);
+                FireDwarfClass.reapplyEffects(player);
+                return true;
+            }
+            if (args[0].equals("naga")) {
+                AppliedStatus.getInstance().setDwarf(player.getName(), false);
+                AppliedStatus.getInstance().setElf(player.getName(), false);
+                AppliedStatus.getInstance().setFireDwarf(player.getName(), false);
+                AppliedStatus.getInstance().setNaga(player.getName(), true);
+                ClassWrapper.clearAllClassEffects(player);
+                NagaClass.reapplyEffects(player);
+                return true;
+            }
+            if (args[0].equals("clear")) {
+                AppliedStatus.getInstance().setDwarf(player.getName(), false);
+                AppliedStatus.getInstance().setElf(player.getName(), false);
+                AppliedStatus.getInstance().setFireDwarf(player.getName(), false);
+                AppliedStatus.getInstance().setNaga(player.getName(), false);
+                ClassWrapper.clearAllClassEffects(player);
+                return true;
+            }
+            if (args[0].equals("whoami")) {
+                if (AppliedStatus.getInstance().isDwarf(player.getName())) {
+                    player.sendMessage("You are a dwarf.");
+                }
+                if (AppliedStatus.getInstance().isElf(player.getName())) {
+                    player.sendMessage("You are an elf.");
+                }
+                if (AppliedStatus.getInstance().isFireDwarf(player.getName())) {
+                    player.sendMessage("You are a fire dwarf.");
+                }
+                if (AppliedStatus.getInstance().isNaga(player.getName())) {
+                    player.sendMessage("You are a naga.");
+                }
+                return true;
+            }
+        }
+        return false;
+    }
+}

src/main/java/net/babamod/mineclass/utils/AppliedStatus.java

@@ -0,0 +1,102 @@
+package net.babamod.mineclass.utils;
+
+import java.io.Serializable;
+import java.util.HashMap;
+import java.util.Objects;
+
+public class AppliedStatus implements Serializable {
+    /**
+     * Instance unique pré-initialisée
+     */
+    private static AppliedStatus INSTANCE;
+    private final HashMap<String, Boolean> dwarf;
+    private final HashMap<String, Boolean> elf;
+    private final HashMap<String, Boolean> fireDwarf;
+    private final HashMap<String, Boolean> naga;
+
+    /**
+     * Constructeur privé
+     */
+    private AppliedStatus() {
+        dwarf = new HashMap<>();
+        elf = new HashMap<>();
+        fireDwarf = new HashMap<>();
+        naga = new HashMap<>();
+    }
+
+    /**
+     * Point d'accès pour l'instance unique du singleton
+     */
+    public static synchronized AppliedStatus getInstance() {
+        if (INSTANCE == null) {
+            INSTANCE = new AppliedStatus();
+        }
+
+        return INSTANCE;
+    }
+
+    public void setDwarf(String playerName, boolean dwarf) {
+        this.dwarf.put(playerName, dwarf);
+    }
+
+    public void setElf(String playerName, boolean elf) {
+        this.elf.put(playerName, elf);
+    }
+
+    public void setFireDwarf(String playerName, boolean fireDwarf) {
+        this.fireDwarf.put(playerName, fireDwarf);
+    }
+
+    public void setNaga(String playerName, boolean naga) {
+        this.naga.put(playerName, naga);
+    }
+
+    public boolean isDwarf(String playerName) {
+        return dwarf.getOrDefault(playerName, false);
+    }
+
+    public boolean isElf(String playerName) {
+        return elf.getOrDefault(playerName, false);
+    }
+
+    public boolean isFireDwarf(String playerName) {
+        return fireDwarf.getOrDefault(playerName, false);
+    }
+
+    public boolean isNaga(String playerName) {
+        return naga.getOrDefault(playerName, false);
+    }
+
+    public boolean hasAClass(String playerName) {
+        return dwarf.getOrDefault(playerName, false) ||
+                elf.getOrDefault(playerName, false) ||
+                fireDwarf.getOrDefault(playerName, false) ||
+                naga.getOrDefault(playerName, false);
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        AppliedStatus that = (AppliedStatus) o;
+        return Objects.equals(dwarf, that.dwarf) &&
+                Objects.equals(elf, that.elf) &&
+                Objects.equals(fireDwarf, that.fireDwarf) &&
+                Objects.equals(naga, that.naga);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(dwarf, elf, fireDwarf, naga);
+    }
+
+    @Override
+    public String toString() {
+        return "AppliedStatus{" +
+                "dwarf=" + dwarf +
+                ", elf=" + elf +
+                ", fireDwarf=" + fireDwarf +
+                ", naga=" + naga +
+                '}';
+    }
+}

src/main/java/net/babamod/mineclass/utils/ApplyClassStatusTask.java

@@ -0,0 +1,23 @@
+package net.babamod.mineclass.utils;
+
+import net.babamod.mineclass.classes.ClassWrapper;
+import org.bukkit.entity.Player;
+import org.bukkit.plugin.java.JavaPlugin;
+import org.bukkit.scheduler.BukkitRunnable;
+
+public class ApplyClassStatusTask extends BukkitRunnable {
+
+    private final JavaPlugin plugin;
+    private final Player player;
+
+    public ApplyClassStatusTask(JavaPlugin plugin, Player player) {
+        this.plugin = plugin;
+        this.player = player;
+    }
+
+    @Override
+    public void run() {
+        ClassWrapper.reapplyRightClassEffects(player, false);
+    }
+
+}

src/main/java/net/babamod/mineclass/utils/MineClassListeners.java

@@ -0,0 +1,46 @@
+package net.babamod.mineclass.utils;
+
+import net.babamod.mineclass.Mineclass;
+import net.babamod.mineclass.classes.ClassWrapper;
+import org.bukkit.Material;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.entity.EntityPickupItemEvent;
+import org.bukkit.event.player.PlayerItemConsumeEvent;
+import org.bukkit.event.player.PlayerJoinEvent;
+
+public class MineClassListeners implements Listener {
+
+    private final Mineclass plugin;
+
+    public MineClassListeners(Mineclass plugin) {
+        this.plugin = plugin;
+        this.plugin.getServer().getPluginManager().registerEvents(this, plugin);
+    }
+
+    @EventHandler
+    public void on(PlayerJoinEvent event) {
+        Player player = event.getPlayer();
+        ClassWrapper.reapplyRightClassEffects(player, true);
+    }
+
+    @EventHandler
+    public void on(PlayerItemConsumeEvent event) {
+        if (event.getItem().getType().equals(Material.MILK_BUCKET)) {
+            if (AppliedStatus.getInstance().hasAClass(event.getPlayer().getName())) {
+                new ApplyClassStatusTask(this.plugin, event.getPlayer()).runTaskLater(this.plugin, 10);
+            }
+        }
+    }
+
+    @EventHandler
+    public void on(EntityPickupItemEvent event) {
+        if (event.getEntity() instanceof Player) {
+            Player player = (Player) event.getEntity();
+            if (ClassWrapper.isItemForbidden(player, event.getItem().getItemStack().getType())) {
+                event.setCancelled(true);
+            }
+        }
+    }
+}

src/main/java/net/babamod/mineclass/utils/Pair.java

@@ -0,0 +1,27 @@
+package net.babamod.mineclass.utils;
+
+public class Pair<F, S> {
+    private F first;
+    private S second;
+
+    public Pair(F first, S second) {
+        this.first = first;
+        this.second = second;
+    }
+
+    public F getFirst() {
+        return first;
+    }
+
+    public void setFirst(F first) {
+        this.first = first;
+    }
+
+    public S getSecond() {
+        return second;
+    }
+
+    public void setSecond(S second) {
+        this.second = second;
+    }
+}

src/main/resources/plugin.yml

@@ -0,0 +1,9 @@
+name: Mineclass
+version: @version@
+main: net.babamod.mineclass.Mineclass
+api-version: 1.16
+authors: [ Barazok ]
+commands:
+  class:
+    description: The class choosing command
+    usage: /<command>